1: (4 7 13)

(0 19 2)(1 8 6)(3 11 5)(4 10 7 17 16)(9 15 12)(13)(14 20 18)

2: (1 8 6)

(0 19 2)(1)(3 11 5)(4 10 7 17 16)(6)(8)(9 15 12)(13)(14 20 18)

3: (7 17 10)

(0 19 2)(1)(3 11 5)(4 10 16)(6)(7)(8)(9 15 12)(13)(14 20 18)(17)

4: (3 11 5)

(0 19 2)(1)(3)(4 10 16)(5)(6)(7)(8)(9 15 12)(11)(13)(14 20 18)(17)